Polyglutamic acid is a valuable, sustainable ingredient for skincare and haircare products.
28 citations
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December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
Natural remedies have been created to combat hair loss.
September 2025 in “JID Innovations” Squaric acid dibutylester promotes hair growth by activating immune cells, especially macrophages.
9 citations
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January 1983 in “Journal of Chromatography B Biomedical Sciences and Applications” Human hair follicles can assess carcinogen metabolism and imidazole compounds might be effective anticarcinogens.
December 2025 in “Plastic & Reconstructive Surgery” The treatment effectively reduces hair loss and improves hair growth with minimal side effects.
30 citations
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May 1999 in “Food and chemical toxicology” Procyanidin B-2 is safe to use on skin as a hair growth product.
40 citations
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October 2002 in “Endocrinology” Vitamin D3 analogs can promote hair growth in mice genetically prone to hair loss.
98 citations
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October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
82 citations
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October 1980 in “The Journal of Clinical Endocrinology & Metabolism” The child's body didn't respond well to vitamin D, causing hair loss and rickets.
22 citations
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January 2015 in “Dermatology Research and Practice” An extra-strength marine protein supplement helped increase hair growth and decrease hair shedding in women with thinning hair.
3 citations
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February 2020 in “International journal of women’s dermatology” Most women with hair loss take more supplements than average, but these often don't help and can be risky and costly.
35 citations
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November 2019 in “Scientific Reports” Shikimic acid promotes hair growth.
The fermented mixture, including Sasa Borealis, improves scalp health and hair strength and shine.
41 citations
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May 2012 in “Advanced Healthcare Materials” Human hair keratins improve cell adhesion and growth on culture surfaces.
January 2025 in “The International Journal of Gastroenterology and Hepatology Diseases” Vitamin B12 is crucial for hair and nerve health, and its malabsorption can cause hair loss and nerve damage.
June 2022 in “Research journal of topical and cosmetic sciences” Trichovitals® supplement improves hair thickness, reduces hair loss, and promotes hair growth in young adults.
July 2024 in “Journal of Investigative Dermatology” Squaric acid dibutylester helps hair growth by increasing certain immune cells in the skin.
July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
13 citations
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July 2017 in “Biopolymers” Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.
October 2023 in “JOJ dermatology & cosmetics” Thiocyanate helps hair growth and can be supplemented in diet or applied topically.
August 2024 in “Food Bioscience” Bifidobacterium longum BB536 metabolites may help treat hair loss by repairing and promoting hair cell growth.
3 citations
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June 2012 in “Korean Journal of Human Ecology” The supplement reduced hair loss and increased hair thickness safely.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The serum promotes thicker, stronger, and healthier hair.
GV-350 improves hair growth and quality of life in iron-deficient women without side effects.
7 citations
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November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
7 citations
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September 2019 in “Journal of Investigative Dermatology”
August 2023 in “Drug Delivery and Translational Research” Human hair keratin was used to create a scaffold that could help with skin repair.
34 citations
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January 1983 in “Journal of Investigative Dermatology”